Do not forget to give your form a submit button

1. Do you have to have a submit button in a form?
2. How do I stop a button from submitting a form in HTML?
3. How to prevent button from submitting form JavaScript?

Do you have to have a submit button in a form?

If you don't have any submit button it is acceptable after all it is an element of form tag and if it is not required you may not add it with in form . This will not broke any web standard.

How do I stop a button from submitting a form in HTML?

Prevent buttons from submitting forms using event. preventDefault()

How to prevent button from submitting form JavaScript?

preventDefault() to stop the default form submit behavior from running.